Relay protection device of transformer

Abstract

The utility model relates to the technical field of transformer protection, and discloses a relay protection device of a transformer, which comprises a transformer body, an output column is fixedly connected to the front side of the top end of the transformer body, a connecting column is slidably connected to the upper end of the output column, and a first wire is fixedly connected to the top of the connecting column. The other end of the first wire is fixedly connected with a relay protection box, the rear end of the relay protection box is provided with a fixed iron sheet, the four corners of the front end of the fixed iron sheet are in threaded connection with screws, the middle of the relay protection box is fixedly connected with a magnetic sheet, and the right end of the relay protection box is rotationally connected with a valve. According to the utility model, the valve is rotated to enable the rotating gear at the other end of the valve to rotate, so that the relay protection device can be easily taken down for maintenance and replacement, and the problems that during replacement and maintenance, fixing parts of the relay protection device are difficult to disassemble, and the fixing parts are inconvenient to disassemble due to many fixing parts are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to transformer protection technical field especially relates to a relay protection device of transformer. BACKGROUND

[0002] The relay protection device of transformer is a kind of automatic device when transformer fails or does not normally operate, can automatically, rapidly, selectively cut off fault transformer from power system, or send signal to remind operating personnel to take measures, it is the key equipment of guaranteeing transformer safe and reliable operation, is the important component of power system relay protection.

[0003] Through the retrieval, China patent publication number is: CN222017118U, discloses a kind of relay protection device for transformer, it is related to transformer protection technical field, including shell, the front end of the shell is penetrated and is fixedly connected with protector panel, the lower end of the shell is fixedly communicated with purification tank, the inside of the shell is fixedly installed with blowing fan, the downside of the blowing fan is provided with air guide piece, the rear side inner wall of the shell is fixedly installed with temperature sensor, the left and right sides inner wall of the purification tank is fixedly connected with three groups of mounting seat, the inside of three groups of mounting seat is slidably installed with filter screen, silica gel plate and activated carbon adsorption plate, the inside of the shell of the device is provided with temperature sensor, temperature is monitored, when convection ventilation cannot satisfy heat dissipation, blowing fan cooperates with the four air deflector plates of air guide piece, further strengthen the airflow exchange in the inside of shell, hot air in the inside of shell is quickly taken out, avoid that the temperature in the inside of shell is too high and causes protector main body damage, but relay protection device is installed in narrow space, when replacing and maintaining, it needs to disassemble fixed parts, fixed parts are difficult to disassemble inconveniently. UTILITARIAN CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides a kind of relay protection device of transformer, to improve the existing technology when replacing and maintaining, it needs to disassemble fixed parts, fixed parts are difficult to disassemble inconveniently.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of relay protection device of transformer, including transformer body, the top front side of the transformer body is fixedly connected with output column, the upper end of the output column is slidably connected with connecting column, the top of the connecting column is fixedly connected with electric wire one, the other end of the electric wire one is fixedly connected with relay protection box, the rear end of the relay protection box is provided with fixed iron sheet, the front end four corners of the fixed iron sheet are all threadedly connected with screw, the middle part of the relay protection box is fixedly connected with magnetic sheet, the right end of the relay protection box is rotatably connected with valve, the other end of the valve is fixedly connected with gear wheel, the upper and lower ends of the relay protection box are slidably connected with sawtooth strip, the left end of the sawtooth strip is fixedly connected with magnetoplate, the rear end of the transformer body is fixedly connected with heat dissipation mechanism, and the heat dissipation mechanism is used to evenly radiate inside transformer.

[0006] Through the above technical scheme: when installing and dismounting operation is carried out in the relay protection device of transformer, first, the fixed iron sheet is stably arranged in the predetermined installation position by screw, then, the connecting column is inserted into the output column on the top of transformer body, to realize the effective connection of the two, the top of the connecting column is fixed with electric wire one, and the other end of the electric wire one is connected with the relay protection box, the magnetic sheet is installed in the middle part of the relay protection box to ensure stable installation, the right side of the relay protection box is rotatably connected with the valve to realize opening and closing operation, and the other end of the valve is fixed with gear wheel to ensure that the two can rotate synchronously, in addition, the upper and lower edges of the relay protection box are slidably connected with the sawtooth strip to realize synchronous movement, and the left side of the sawtooth strip is fixed with the magnetoplate, which functions to block magnetic force, so that the relay protection device can be conveniently dismounted for maintenance and replacement.

[0007] Further description of the above technical scheme:

[0008] The heat dissipation mechanism includes a case, the case is fixedly connected to the rear end of the transformer body, the inside of the case is fixedly connected with a motor, the output end of the motor is fixedly connected with a rotating shaft, the front end of the case is fixedly connected with a mounting plate, the other end of the rotating shaft penetrates through the mounting plate and is fixedly connected with a half-rail gear, the upper and lower ends of the mounting plate are fixedly connected with clamping blocks, the rear end of the clamping block is slidably connected with a rail plate, the front end of the rail plate is fixedly connected with a plurality of fixed platforms, and the front end of the plurality of fixed platforms is fixedly connected with a fan.

[0009] Through the technical scheme, in the heat dissipation process of the transformer, the motor built in the case drives the rotating shaft to rotate through the output end, the front end of the case is fixed with a mounting plate for assembling other components, the rotating shaft penetrates through the mounting plate and is fixedly connected with the half-rail gear to realize synchronous rotation, the upper and lower edges of the mounting plate are fixed with clamping blocks respectively to limit the safe activity range, the rear end of the clamping block is slidably connected with the rail plate to ensure synchronous movement of the rail plate, and the front end of the rail plate is fixed with two fixed platforms for mounting the fans to realize uniform heat dissipation inside the transformer.

[0010] Further description is made to the technical scheme:

[0011] The outer wall of the transformer body is fixedly connected with a plurality of heat dissipation fins, and a plurality of heat dissipation grooves are formed in the inside of each heat dissipation fin.

[0012] Through the technical scheme, the outer wall of the transformer body is fixedly connected with a plurality of heat dissipation fins, and a plurality of heat dissipation grooves are formed in the inside of each heat dissipation fin.

[0013] Further description is made to the technical scheme:

[0014] The bottom end of the transformer body is fixedly connected with fixed blocks on the left and right sides, and the bottom of each fixed block is fixedly connected with a support block.

[0015] Through the technical scheme, the bottom end of the transformer body is fixedly connected with fixed blocks on the left and right sides, and the bottom of each fixed block is fixedly connected with a support block.

[0016] Further description is made to the technical scheme:

[0017] The top end of the transformer body is fixedly connected with an upper cover plate, and the top end of the upper cover plate is fixedly connected with pull blocks on the left and right sides.

[0018] Through the technical scheme, the top end of the transformer body is fixedly connected with an upper cover plate, and the top end of the upper cover plate is fixedly connected with pull blocks on the left and right sides.

[0019] Further description is made to the technical scheme:

[0020] The bottom of the upper cover plate is fixedly connected with pull tubes on the left and right sides, and the rear side of the upper end of the upper cover plate is fixedly connected with a warning lamp.

[0021] Through the technical scheme, the bottom of the upper cover plate is fixedly connected with pull tubes on the left and right sides, and the rear side of the upper end of the upper cover plate is fixedly connected with a warning lamp.

[0022] Further description is made to the technical scheme:

[0023] The upper end of each of the plurality of high-voltage outgoing line ends is fixedly connected with an electric wire II.

[0024] Through the above technical scheme, the plurality of high-voltage outgoing line ends are fixedly connected to the front side of the top end of the upper cover plate, and the upper end of each of the high-voltage outgoing line ends is fixedly connected with an electric wire II.

[0025] As a further description of the above technical scheme:

[0026] The rear side of the top end of the upper cover plate is fixedly connected with a plurality of low-voltage outgoing line ends, and the upper end of each of the low-voltage outgoing line ends is fixedly connected with a connecting piece.

[0027] Through the above technical scheme, the plurality of high-voltage outgoing line ends are fixedly connected to the front side of the top end of the upper cover plate, and the upper end of each of the high-voltage outgoing line ends is fixedly connected with an electric wire II.

[0028] The utility model has the advantages of:

[0029] 1. In the utility model, the rotating gear of the other end of the valve is rotated, the sawtooth rack is driven by the rotating gear, the magnetic plate is closed, the relay protection device can be easily removed for maintenance and replacement, the fixed parts need to be disassembled during replacement and maintenance, and the problem of inconvenient disassembly of the fixed parts is solved.

[0030] 2. In the utility model, the output end of the motor is rotated, the half-rail gear drives the rail plate, the fan fixed on the rail plate is used for heat dissipation, the up-down movement effect is achieved, the transformer is uniformly cooled, and the problem that the transformer is easily damaged due to uneven cooling is solved. DRAWINGS

[0031] Figure 1 A perspective view of a relay protection device of a transformer is provided for the utility model;

[0032] Figure 2 A front view of a relay protection device of a transformer is provided for the utility model;

[0033] Figure 3 A structure split view of a relay protection device of a transformer is provided for the utility model;

[0034] Figure 4 A local structure explosion view of a relay protection device of a transformer is provided for the utility model;

[0035] Figure 5 A Figure 4 enlarged view of the middle A of the utility model;

[0036] Figure 6 The utility model provides a heat abstractor of relay protection device of transformer.

[0037] Legend:

[0038] 1, transformer body; 2, heat abstractor; 201, case; 202, motor; 203, rotating shaft; 204, mounting plate; 205, half rail gear; 206, clamping block; 207, rail plate; 208, fixed platform; 209, fan; 3, fin; 4, heat sink; 5, fixed block; 6, support block; 7, upper cover plate; 8, pulling block; 9, lifting tube; 10, warning light; 11, high-voltage outgoing line end; 12, electric wire two; 13, low-voltage outgoing line end; 14, connecting sheet; 15, output column; 16, connecting column; 17, electric wire one; 18, relay protection box; 19, fixed iron sheet; 20, screw; 21, magnetic sheet; 22, valve; 23, gear; 24, rack; 25, magnetic resistance plate. DETAILED DESCRIPTION

[0039] The utility model discloses an embodiment will be clearly and completely below in the embodiment of the utility model to the technical scheme in the embodiment of the utility model is described, obviously, the described embodiment only is a part of embodiment of the utility model, not all embodiments. Based on the embodiment in the utility model, all other embodiments that the ordinary skill in the art obtains without making creative labor belong to the range of protection of the utility model.

[0040] Referring to Figure 1 , Figure 4 and Figure 5 , the utility model provides an embodiment: a relay protection device of transformer, including transformer body 1, the top front side fixed connection of transformer body 1 has output column 15, the upper end of output column 15 is slidably connected with connecting column 16, carries out electric connection, the top of connecting column 16 is fixedly connected with electric wire one 17, and the other end of electric wire one 17 is fixedly connected with relay protection box 18, carries out protection and magnetic resistance, and the rear end of relay protection box 18 is provided with fixed iron sheet 19, and the front end four corners of fixed iron sheet 19 are all threadedly connected with screw 20, and the middle part of relay protection box 18 is fixedly connected with magnetic sheet 21, and the right end of relay protection box 18 is rotatably connected with valve 22, provides power source, and the other end of valve 22 is fixedly connected with gear 23, is used for transmission, and the upper and lower ends of relay protection box 18 are slidably connected with rack 24, and the left end of rack 24 is fixedly connected with magnetic resistance plate 25, and the rear end of transformer body 1 is fixedly connected with heat abstractor 2, and heat abstractor 2 is used for evenly heat dissipation to transformer inside;The outer wall of transformer body 1 is fixedly connected with a plurality of fins 3, and a plurality of heat sinks 4 are set in the inside of a plurality of fins 3;

[0041] Specifically, in the process of installing and dismounting the relay protection device of the transformer, first, the fixed iron sheet 19 is fixed firmly in the designated installation position by the screw 20, then the connecting column 16 is inserted into the output column 15 at the top of the transformer body 1 to ensure the connection between the two, the top end of the connecting column 16 is fixed with a section of wire 17, the other end of the wire 17 is connected with the relay protection box 18 to ensure the continuity of the circuit, a magnetic sheet 21 is fixed in the center position of the relay protection box 18, which plays the role of installation and fixation, a rotatable valve 22 is installed on the right side of the relay protection box 18, the other end of the valve 22 is connected with a rotating gear 23 to ensure the synchronous rotation of the valve 22, the upper and lower edges of the relay protection box 18 are connected with the sawtooth strip 24 through sliding, a magnetic resistance plate 25 is fixed on the left side of the sawtooth strip 24, which plays the role of magnetic resistance to ensure that the relay protection device can be easily removed, so that the relay protection device can be easily operated when it needs to be repaired or replaced, in addition, a plurality of cooling fins 3 are fixedly connected on the outer wall of the transformer body 1, a plurality of cooling grooves 4 are formed in the cooling fins 3, which can effectively dissipate the heat generated by the transformer during operation.

[0042] With reference to Figure 3 and Figure 6 , the cooling mechanism 2 comprises a case 201 fixedly connected to the rear end of the transformer body 1, a motor 202 fixedly connected inside the case 201, which is the power source of the device, a rotating shaft 203 fixedly connected to the output end of the motor 202, an installation plate 204 fixedly connected to the front end of the case 201, the other end of the rotating shaft 203 penetrating through the installation plate 204 and fixedly connected with a half-rail gear 205 for transmission, a clamping block 206 fixedly connected to the upper and lower ends of the installation plate 204, a rail plate 207 slidingly connected to the rear end of the clamping block 206, a plurality of fixed platforms 208 fixedly connected to the front end of the rail plate 207 for installation, and a fan 209 fixedly connected to the front end of the plurality of fixed platforms 208;

[0043] Specifically, in the process of heat dissipation of the transformer, the motor 202 is located inside the case 201, the output end of the motor 202 is connected with the rotating shaft 203, the rotating shaft 203 can rotate, the front end of the case 201 is provided with the mounting plate 204 for fixing and mounting other related parts, the rotating shaft 203 penetrates through the mounting plate 204 and is connected with the half rail gear 205 through a fixed mode, so that the half rail gear 205 can rotate synchronously with the rotating shaft 203, the upper and lower edges of the mounting plate 204 are respectively fixed with the clamping blocks 206, the rear of the clamping blocks 206 is connected with the rail plate 207 through a sliding mode, so that the rail plate 207 can move synchronously with the clamping blocks 206, the front end of the rail plate 207 is fixed with the two fixed platforms 208, the fixed platforms 208 are used for further mounting and fixing other parts, the front end of the fixed platforms 208 is provided with the fan 209, the fan 209 is used for heat dissipation, so that the uniform heat dissipation effect of the inside of the transformer can be realized, the bottom end of the transformer body 1 is fixedly connected with the fixed blocks 5 on the left and right sides, the bottom of the fixed blocks 5 is further fixedly connected with the supporting blocks 6, so as to ensure the stability and safety of the whole transformer, the motor 202 is Y2-200L-4.

[0044] With reference to Figure 2 and Figure 3 , the top end of the transformer body 1 is fixedly connected with the upper cover plate 7, the top end of the upper cover plate 7 is fixedly connected with the pulling blocks 8 on the left and right sides, which are used for moving, the bottom of the upper cover plate 7 is fixedly connected with the pull tubes 9 on the left and right sides, the rear side of the upper end of the upper cover plate 7 is fixedly connected with the warning light 10, which is used for warning, the top end of the front side of the upper cover plate 7 is fixedly connected with the plurality of high-voltage outgoing lines 11, the upper end of the plurality of high-voltage outgoing lines 11 is fixedly connected with the electric wire two 12, the top end of the rear side of the upper cover plate 7 is fixedly connected with the plurality of low-voltage outgoing lines 13, the upper end of the plurality of low-voltage outgoing lines 13 is fixedly connected with the connecting pieces 14.

[0045] Specifically, the top of the transformer body 1 is fixedly connected with the upper cover plate 7, the top of the upper cover plate 7 is provided with the pulling blocks 8 on the left and right sides, the bottom of the upper cover plate 7 is fixedly connected with the pull tubes 9 on the left and right sides, the rear side of the upper end of the upper cover plate 7 is further fixedly connected with the warning light 10, which is used for reminding the operator to pay attention to safety when needed, the top end of the front side of the upper cover plate 7 is fixedly connected with the plurality of high-voltage outgoing lines 11, the upper end of the plurality of high-voltage outgoing lines 11 is further fixedly connected with the electric wire two 12, so as to ensure the transmission of high-voltage electricity, the top end of the rear side of the upper cover plate 7 is further fixedly connected with the plurality of low-voltage outgoing lines 13, the upper end of the plurality of low-voltage outgoing lines 13 is fixedly connected with the connecting pieces 14, so as to ensure the transmission of low-voltage electricity.

[0046] Working principle: when the relay protection device of transformer is installed and disassembled, the fixed iron sheet 19 is fixed in the place where it needs to be installed through the screw 20, then the connecting column 16 is inserted into the output column 15 on the transformer body 1 for connection, the upper surface of the connecting column 16 is fixed with the wire 17, the other end of the wire 17 is fixed with the relay protection box 18 for connection, the middle of the relay protection box 18 is fixed with the magnetic sheet 21 for installation and fixation, the right side of the relay protection box 18 is rotatably connected with the valve 22 for opening and closing, the other end of the valve 22 is fixed with the gear 23 for synchronous rotation, the upper and lower sides of the relay protection box 18 are slidably connected with the sawtooth strip 24 for synchronous movement, the left side of the sawtooth strip 24 is fixed with the magnetic resistance plate 25 for resisting magnetic force, so that the relay protection device can be easily removed for maintenance and replacement.

[0047] When the transformer is cooled, the motor 202 in the case 201 is driven to rotate the rotating shaft 203, the front surface of the case 201 is fixed with the mounting plate 204 for mounting other parts, the rotating shaft 203 penetrates through the mounting plate 204 and is fixed with the half-rail gear 205 for synchronous rotation, the upper and lower surfaces of the mounting plate 204 are fixed with the clamping block 206 for limiting the safe range, the rear surface of the clamping block 206 is slidably connected with the rail plate 207 for synchronous movement, the front surface of the rail plate 207 is fixed with two fixed platforms 208 for mounting and fixing, the front surface of the fixed platform 208 is mounted with the fan 209 for cooling, so that the transformer can be uniformly cooled.

[0048] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for the person skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A relay protection device of a transformer comprising a transformer body (1), characterized in that: The top front side of the transformer body (1) is fixedly connected with an output column (15), the upper end of the output column (15) is slidably connected with a connecting column (16), the top of the connecting column (16) is fixedly connected with a wire I (17), the other end of the wire I (17) is fixedly connected with a relay protection box (18), the rear end of the relay protection box (18) is provided with a fixed iron sheet (19), the front end of the fixed iron sheet (19) is threadedly connected with screws (20) at four corners, the middle of the relay protection box (18) is fixedly connected with a magnetic sheet (21), the right end of the relay protection box (18) is rotatably connected with a valve (22), the other end of the valve (22) is fixedly connected with a rotating gear (23), the upper and lower ends of the relay protection box (18) are slidably connected with sawtooth strips (24), the left end of the sawtooth strip (24) is fixedly connected with a magnetoresistance plate (25), the rear end of the transformer body (1) is fixedly connected with a heat dissipation mechanism (2), and the heat dissipation mechanism (2) is used for uniformly dissipating heat inside the transformer.

2. A protective relay for a transformer as claimed in claim 1, characterised in that: The heat dissipation mechanism (2) comprises a case (201), the case (201) is fixedly connected to the rear end of the transformer body (1), the inside of the case (201) is fixedly connected with a motor (202), the output end of the motor (202) is fixedly connected with a rotating shaft (203), the front end of the case (201) is fixedly connected with a mounting plate (204), the other end of the rotating shaft (203) penetrates through the mounting plate (204) and is fixedly connected with a half-rail gear (205), the upper and lower ends of the mounting plate (204) are fixedly connected with clamping blocks (206), the rear end of the clamping block (206) is slidably connected with a rail plate (207), the front end of the rail plate (207) is fixedly connected with a plurality of fixed platforms (208), and the front end of the plurality of fixed platforms (208) is fixedly connected with fans (209).

3. A protective relay for a transformer as claimed in claim 1, characterised in that: The outer wall of the transformer body (1) is fixedly connected with a plurality of heat dissipation fins (3), and a plurality of heat dissipation grooves (4) are formed in the plurality of heat dissipation fins (3).

4. A protective relay for a transformer as claimed in claim 1, characterised in that: The bottom left and right sides of the transformer body (1) are fixedly connected with fixed blocks (5), and the bottom of the fixed block (5) is fixedly connected with a support block (6).

5. A protective relay for a transformer as claimed in claim 1, characterised in that: The top end of the transformer body (1) is fixedly connected with an upper cover plate (7), and the left and right sides of the top end of the upper cover plate (7) are fixedly connected with pulling blocks (8).

6. A protective relay for a transformer as claimed in claim 5, characterised in that: The bottom left and right sides of the upper cover plate (7) are fixedly connected with pull tubes (9), and the rear side of the upper end of the upper cover plate (7) is fixedly connected with a warning light (10).

7. A protective relay for a transformer as claimed in claim 5, characterised in that: The top front side of the upper cover plate (7) is fixedly connected with a plurality of high-voltage outlet ends (11), and the upper end of the plurality of high-voltage outlet ends (11) is fixedly connected with a wire II (12).

8. A protective relay for a transformer as claimed in claim 5, characterised in that: The top rear side of the upper cover plate (7) is fixedly connected with a plurality of low-voltage outlet ends (13), and the upper end of the plurality of low-voltage outlet ends (13) is fixedly connected with a connecting sheet (14).

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